What was found
FWD GALLEY EYEBALL VENTS AND 1ST 3 ROWS OF CABIN HAD A ACRID SMELL ON TAKEOFF AND LANDING. SMELL GOES AWAY ON CLIMB CRUISE AND DESCENT. PERFORMED SMOKE OR FUMES IN CABIN CONDITIONAL PER AMM 05-51-56; T/S PER IFIM 71-00-00-810-893. FOUND SOURCE OF SMELL TO BE #1 ENGINE IDG OIL LEAK. REMOVED AND REPLACED IDG PUSH-TO-VENT VALVE PER AMM 24-11-00. LEAK CHECK GOOD. RAN #1 ENGINE AT 70% PART POWER PER AMM 71-00-00. NO SMOKE IN CABIN REPORTED BY MX. OPS CHECKS GOOD. REFERENCE LOGPAGE 1004549E FOR OIL LEAK.